<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width,initial-scale=1.0">
  <!--SEO 优化-->
  <title>绝对零度的空间</title>
  <style>
    html.body{
      height: 100%;
    }
  </style>
</head>


<body>
  <div id="app">
    <router-view></router-view>
  </div>
</body>
</html>
